Physician Profile
Unclaimed ProfileAbout NUSSBAUM
Based in Alexandria, VA, Robert Alan Nussbaum, M.D. is listed in the NPI registry under gastroenterology. Robert graduated from Icahn School of Medicine at Mount Sinai in 1986. Medicare claims data shows Robert provided 985 services to 937 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (703) 313-8400
- Email not available
Practice Locations
6355 WALKER LN SUITE # 309
Alexandria, VA 22310
Procedures Most Often Billed to Medicare
985 services · 937 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
223 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
104 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
73 |
| Dilation of esophagus | Procedure | 43450 |
23 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
274 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
262 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Alexandria 8
Same specialty, same city.
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1986 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nussbaum?
Dr. Nussbaum is a gastroenterology in Alexandria, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Nussbaum's address?
Dr. Nussbaum is listed at 6355 WALKER LN SUITE # 309, Alexandria, VA 22310. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nussbaum?
The number on file is (703) 313-8400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nussbaum?
Dr. Nussbaum's National Provider Identifier is 1659364511. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nussbaum train?
Dr. Nussbaum attended Icahn School of Medicine at Mount Sinai, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nussbaum have?
Dr. Nussbaum has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nussbaum perform?
According to Medicare billing data, Dr. Nussbaum performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nussbaum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nussbaum. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.